c7e8c7bb71
add suspend_job in base_engine,and implement this in oozie engine. Change-Id: I38d32c501d04c3fd0526343c841a55832a902a2c Implements bp: add-suspend-resume-ability-for-edp-jobs
71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
# Copyright (c) 2014 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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import six
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from sahara import conductor as c
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conductor = c.API
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def optional(fun):
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fun.__not_implemented__ = True
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return fun
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@six.add_metaclass(abc.ABCMeta)
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class JobEngine(object):
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@abc.abstractmethod
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def cancel_job(self, job_execution):
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pass
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@abc.abstractmethod
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def get_job_status(self, job_execution):
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pass
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@abc.abstractmethod
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def run_job(self, job_execution):
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pass
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@abc.abstractmethod
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def run_scheduled_job(self, job_execution):
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pass
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@abc.abstractmethod
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def validate_job_execution(self, cluster, job, data):
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pass
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@staticmethod
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@abc.abstractmethod
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def get_possible_job_config(job_type):
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return None
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@staticmethod
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@abc.abstractmethod
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def get_supported_job_types():
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return None
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@optional
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def suspend_job(self, job_execution):
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pass
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def does_engine_implement(self, fun_name):
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fun = getattr(self, fun_name)
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if not (fun and callable(fun)):
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return False
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return not hasattr(fun, '__not_implemented__')
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